import router , { resetRouter }from './router'
import { constantRoutes } from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
// import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/projectLogin', '/auth-redirect'] // no redirect whitelist



router.beforeEach(async(to, from, next) => {
  // console.log('from:', from.path, 'to:', to.path)
  // start progress bar
  NProgress.start()

  // set page title
  // document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  if (to.path === '/login' || to.path === '/projectLogin') {
    // if is logged in, redirect to the home page
    next()
    // next({ path: '/' })
    NProgress.done()
  } else {
    // determine whether the user has obtained his permission roles through getInfo
    let hasRoles = store.state.user.roles && store.state.user.roles.length > 0
    // console.log(hasRoles, store.state.user.roles, 'hasRoles', store.getters.permission_routes)
    if(hasRoles){

      if(store.getters.permission_routes.length == 0){

        store.dispatch('permission/generateRoutes', store.state.user.roles).then(accessRoutes => {

          // console.log(accessRoutes, 'accessRoutes')
          resetRouter()
          // router.options.routes = [...constantRoutes, ...accessRoutes]
          router.addRoutes(accessRoutes)
          // router.addRoutes(store.getters.permission_routes)
          //  next({ ...to, replace: true })
          // next()
          //  console.log(router)
          NProgress.done()
        }).catch( err => {
          if( this.$store.state.user.roles.includes('project')){
            next(`/projectLogin?redirect=${to.path}`)
          } else {
            next(`/login?redirect=${to.path}`)
          }
          NProgress.done()
        })

      }
      next()
      // next({ ...to, replace: true })

    } else {
      // next()
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }

  }

})



// router.beforeEach(async(to, from, next) => {
//   // start progress bar
//   NProgress.start()

//   // set page title
//   document.title = getPageTitle(to.meta.title)

//   // determine whether the user has logged in
//   const hasToken = getToken()

//   if (hasToken) {
//     if (to.path === '/login') {
//       // if is logged in, redirect to the home page
//       next({ path: '/' })
//       NProgress.done()
//     } else {
//       // determine whether the user has obtained his permission roles through getInfo
//       const hasRoles = store.getters.roles && store.getters.roles.length > 0
//       if (hasRoles) {
//         next()
//       } else {
//         try {
//           // get user info
//           // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
//           const { roles } = await store.dispatch('user/getInfo')

//           // generate accessible routes map based on roles
//           const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

//           // dynamically add accessible routes
//           router.addRoutes(accessRoutes)

//           // hack method to ensure that addRoutes is complete
//           // set the replace: true, so the navigation will not leave a history record
//           next({ ...to, replace: true })
//         } catch (error) {
//           // remove token and go to login page to re-login
//           await store.dispatch('user/resetToken')
//           Message.error(error || 'Has Error')
//           next(`/login?redirect=${to.path}`)
//           NProgress.done()
//         }
//       }
//     }
//   } else {
//     /* has no token*/

//     if (whiteList.indexOf(to.path) !== -1) {
//       // in the free login whitelist, go directly
//       next()
//     } else {
//       // other pages that do not have permission to access are redirected to the login page.
//       next(`/login?redirect=${to.path}`)
//       NProgress.done()
//     }
//   }
// })

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
